Re: usb/net/qmi_wwan: divide error in qmi_wwan_probe/usbnet_probe

2017-11-06 Thread Andrey Konovalov
On Mon, Nov 6, 2017 at 3:06 PM, Bjørn Mork wrote: > Andrey Konovalov writes: > >> Hi! >> >> I've got the following report while fuzzing the kernel with syzkaller. > > Thanks. It would have helped a lot of you said *what* you were fuzzing, > though But based on where the bug is, I assume it i

Re: usb/net/qmi_wwan: divide error in qmi_wwan_probe/usbnet_probe

2017-11-06 Thread Bjørn Mork
Andrey Konovalov writes: > Hi! > > I've got the following report while fuzzing the kernel with syzkaller. Thanks. It would have helped a lot of you said *what* you were fuzzing, though But based on where the bug is, I assume it is USB descriptors? > On commit 39dae59d66acd86d1de24294bd2f3

usb/net/qmi_wwan: divide error in qmi_wwan_probe/usbnet_probe

2017-11-06 Thread Andrey Konovalov
Hi! I've got the following report while fuzzing the kernel with syzkaller. On commit 39dae59d66acd86d1de24294bd2f343fd5e7a625 (4.14-rc8). qmi_wwan 1-1:0.4: cdc-wdm0: USB WDM device divide error: [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.14.0-rc